38eb89f1efba8fb535406e119d3fe0e0df1aa1c37eb9c6b0b060f127f6379c34

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 02:14

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General

Target

9a7ec58895ff60546b0f9f8d0615d213.pdf
Size

126KB
MD5

9a7ec58895ff60546b0f9f8d0615d213
SHA1

89e0bc4bf716e8a2cccea3bedefe3fc9538f34e5
SHA256

38eb89f1efba8fb535406e119d3fe0e0df1aa1c37eb9c6b0b060f127f6379c34
SHA512

7c02429730b6e65c3d34fb08d3ffa9b7398d76001265a9452878c9e9387c0f8bb26f37c7a0bb4159280c7568a4e4e8371e5fbc476d5f30e9c6da14568581ef9c
SSDEEP

3072:FDPrEkX6IADSglNbtBD5Hnr/ryJnY81QjDV4vk2vdJ:FDPQOAFBinY8SV4/

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe
4976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3368	4976	AcroRd32.exe	85
PID 4976 wrote to memory of 3368	4976	AcroRd32.exe	85
PID 4976 wrote to memory of 3368	4976	AcroRd32.exe	85
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 4464	3368	RdrCEF.exe	86
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87
PID 3368 wrote to memory of 2600	3368	RdrCEF.exe	87

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\9a7ec58895ff60546b0f9f8d0615d213.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3368
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=68CA0A23DB07538424C67095612349D3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=DF8D3328CA3490EEA5A5F012E6BE7429 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=DF8D3328CA3490EEA5A5F012E6BE7429 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2600
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AF6860FDDA014843FBD61EC419613F06 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=40528A9B2D4338D93DFE079B74F92260 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=40528A9B2D4338D93DFE079B74F92260 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4020
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0BB33934B7531C456B3ED4D04212A675 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=1835D5C6D0DE7B4343CB2E6E9E8D6FB0 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
3f4c2f69a1f4f40de82c584c3bb995a0

SHA1
74043fc87ece0f050c389b414002c6cec5139625

SHA256
c57e242f49a06f7d5fa110410c4e2436bd55abbdbfed4d9b3930d6e8f04713a6

SHA512
e93d8138d0b96b051e9c64fd96de94326ffa69f41f6a189c38e6d9146136b2bc313a03a24d9b590649c96653f58045cb2e8057d87d394862da9f95573f99a3eb

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4976-26-0x000000000BCB0000-0x000000000BD00000-memory.dmp

Filesize
320KB

Download